project-codepen/src/pages/FormUpload.css

.buttons {
	width: 180px;
	height: 40px;
	text-decoration: none;
	padding-top: 9px;
	color: #c9b6cf;
	text-align: center;
	line-height: 20px;
	display: block;
	margin: 200px auto 15px;
	font: normal 17px arial;
	cursor: pointer;
}

.buttons:not(.active) {
	box-shadow: inset 0 1px 1px rgba(111, 55, 125, 0.8), inset 0 -1px 0px rgba(63, 59, 113, 0.2),
		0 9px 16px 0 rgba(0, 0, 0, 0.3), 0 4px 3px 0 rgba(0, 0, 0, 0.3), 0 0 0 1px #150a1e;
	background-image: linear-gradient(#3b2751, #271739);
	text-shadow: 0 0 21px rgba(223, 206, 228, 0.5), 0 -1px 0 #311d47;
}

.buttons:not(.active):hover,
.buttons:not(.active):focus {
	transition: color 200ms linear, text-shadow 500ms linear;
	color: #fff;
	text-shadow: 0 0 21px rgba(223, 206, 228, 0.5), 0 0 10px rgba(223, 206, 228, 0.4), 0 0 2px #2a153c;
}

.buttons:not(:hover) {
	transition: 0.6s;
}

.back a {
	text-decoration: none;
}

.back {
	display: block;
	width: 100px;
	height: 20px;
	text-decoration: none;
	color: #c9b6cf;
	text-align: center;
	margin: auto;
	cursor: pointer;
}